Fill in the blanks with the correct answer based on the given options.
mass
deflected nuclear
alpha particles
nucleus
1. In Rutherford’s experiment, a visible flash detected by the fluorescent
screen signifies the arrival of _________.
2. Rutherford’s experiment led him to propose the ________ model of the
atom.
3. According to Rutherford’s model, the atom has a small massive core
called the _________.
4. The discovery of the nucleus, the heavy, positively charged body at the
center or nucleus took place when the alpha particles________ backward.
5. The _______ of the atom is concentrated in the nucleus.